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Finding the Fourth Proportional to 17,329.77, 25,973.07 and 7,959.83

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Solution

The fourth proportional to 17,329.77, 25,973.07 and 7,959.83 is: 11,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.77 : 25,973.07 = 7,959.83 : x
  2. Step 2: Convert to fraction form
    17,329.77/25,973.07 = 7,959.83/x
  3. Step 3: Cross multiply
    17,329.77x = 25,973.07 × 7,959.83
  4. Step 4: Simplify right side
    17,329.77x = 206,741,091.91
  5. Step 5: Solve for x
    x = 206,741,091.91/17,329.77
  6. Step 6: Final answer
    x = 11,929.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.